Oxygen Concentrator Machine, 1-7L Adjustable Continuous Oxygen Generator for Home Use, Equipped with All Accessories ROGS

【Multi level adjustment】 1-7 levels adjustable,Continuous Operating Mode，provide 35%-93% oxygen.
【Smart control】 The machine has a large screen with color LED and is equipped with two control method ,making it easier and more convenient for you to operate.
【Time Function】 Our machine has a timer function that can set an automatic shutdown time within 8 hours, so you don’t have to wake up at night to shut down the machine.
【Low noise】 The noise level is as low as 48 db, allowing you to enjoy uninterrupted operation without being
【Household Machine】 The machine is lightweight, has a suitable volume, and is suitable for household environments